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How can I implement a tree in Python?

I am trying to construct a General tree. 17 Answers 17 ...
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Trying to mock datetime.date.today(), but not working

Can anyone tell me why this isn't working? 19 Answers 19 ...
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Format a Go string without printing?

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Sending email with PHP from an SMTP server

...ding email in PHP. I get an error: SMTP server response: 530 SMTP authentication is required . 8 Answers ...
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How to access the last value in a vector?

Suppose I have a vector that is nested in a dataframe one or two levels. Is there a quick and dirty way to access the last value, without using the length() function? Something ala PERL's $# special var? ...
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Formatting code in Notepad++

Is there a keyboard shortcut to format code in Notepad++ ? I'm mainly working with HTML, CSS and Python code. 12 Answers ...
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Convert XLS to CSV on command line

How could I convert an XLS file to a CSV file on the windows command line. 15 Answers ...
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How to pass arguments into a Rake task with environment in Rails? [duplicate]

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Calculating Distance between two Latitude and Longitude GeoCoordinates

I'm calculating the distance between two GeoCoordinates. I'm testing my app against 3-4 other apps. When I'm calculating distance, I tend to get an average of 3.3 miles for my calculation whereas other apps are getting 3.5 miles. It's a big difference for the calculation I'm trying to perform. Are t...
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How to effectively work with multiple files in Vim

I've started using Vim to develop Perl scripts and am starting to find it very powerful. 28 Answers ...